Infrared Photography Clip Filter Series for Canon APS-C and Black Magi - STC Optics
Neewer 58MM Complete Lens Filter Accessory Kit for CANON EOS REBEL 700D 650D 600D 550D(T5i T4i T3i T2i):UV,CPL,FLD+Macro Close-up Filters(+1,+2,+4,+10)+ND Neutral Density Filters(ND2,ND4,ND8) - Newegg.com
Canon Lens Filters Size Chart and List of Popular Filters to Use
Professional 58MM UV CPL ND4 Lens Filters Kit and Altura Photo ND Neutral Density Filter Set. Photography Accessories Bundle for Canon and Nikon Lenses with a 58MM Filter Size